igmp

Formal analysis of multicast group Dynamic Management Protocol IGMP based on Petri nets

基于Petri网的多播组动态管理协议IGMP的形式化分析

IGMP ( Internet Group Management Protocol ) is an important protocol in multicast technology .

IGMP是组播实现中重要的组管理协议。

IGMP received a start request when it was already running .

igmp在它已经在运行时接收到一个启动请求。

IGMP is the Internet Group Management Protocol .

IGMP是网络组管理协议。

Research on the Implementation Technology of IGMP Snooping for the Layer 2 Switch

二层交换机上IGMPSnooping协议的实现研究

The Internet Group Management : Protocol ( IGMP ) does not provide access control of the members .

组管理协议（IGMP）不提供成员接入控制。

Existing two probing ways based on IGMP message bring about different degree of loss of topological information .

现有的两种基于IGMP报文的拓扑测量方式都会导致不同程度的拓扑信息的丢失。

Secure IGMP Mechanism Based on Encrypted Access Token

基于加密接入令牌的IGMP安全机制

Implementation of IGMP Snooping Based on Linux Kernel Module

基于LINUX内核模块在工业级AP上实现

Implementation of IGMP snooping in the broad band access network of EPON

IGMPSnooping在EPON宽带接入网中的实现

On the Achievement of IGMP Snooping Protocol Based on IXA Architecture

基于IXA架构的IGMPSnooping协议的实现

The Analysis of IGMP / MLD Snooping Mechanism for the Two-layer Switch

二层交换机中IGMP/MLD探听机制的原理分析

Moreover , due to lack of encryption measures , IGMP messages cannot ensure their confidentiality in the communication process .

此外，IGMP报文在传输时没有加密措施，无法保证其安全性。

The testing results show that the design of IGMP Snooping meets to the system requirements , which can be put into use .

测试结果表明符合系统要求，可投入使用。

Realization and Principles of IGMP Snooping in Networks

IGMPSnooping技术原理及实现

In this paper , the multicast protocol ( IGMP Snooping ) on ethernet switch is discussed .

本文主要探讨在以太网交换机上的一种组播协议：组播侦听协议。

The Access Token attached to the IGMP messages can solve some problems , but it still has some limitations .

在IGMP报文后附加接入令牌的方法虽然可以解决IGMP协议存在的一些安全问题，但其仍存在一些缺陷。

Besides , Multicat has a group management protocol IGMP , which is the precondition of multicast .

此外，组播路由还需要一个组管理协议IGMP，这个协议是组播路由的前提。

IGMP , the multicast management protocol , provides no access control of join members , thus any host can join a certain multicast group .

在IP组播中当前使用的组管理协议IGMP不提供接入控制，任何端点用户可自由地加入组播组；

In this paper , several multicast protocols ( IGMP Snooping and GMRP ) on layer 2 switch are discussed .

针对多媒体在交换机上实现阶组播的必要性，探讨了在二层以太网交换机上主要的组播协议：IGMP侦听协议和GMRP协议。

Secondly , it discusses how to carry out IGMP Snooping on the layer 2 switch devices in detail , and gives the testing method and several example .

然后，详细讨论了二层交换机上组播侦听协议的实现技术，并对所实现的组播控制功能提出了自己的测试方法，给出了几种测试实例；

With the carefully designed test suite ( including test data ) and the reference implementation , the conformance test of IGMP and PIM-DM is accomplished .

通过精心设计编写的测试集（包括测试数据）与参考实现协调工作，完成了IGMP和PIM-DM协议的一致性测试。

This thesis focuses on technologies on IP layer topology measurement . First , we introduce the theory of traditional method based on traceroute and method based on the IGMP message .

本文研究的是IP接口级拓扑测量技术。本文首先介绍了传统的基于traceroute机制的拓扑测量方法和基于IGMP报文的拓扑测量方法的相关理论基础。

This thesis puts forward the improved method based on IGMP message , which can obtain more information on topology . Subsequently , we conduct experiment of topology measurement with the improved method .

本文提出了基于IGMP报文测量方法的改进方法，该方法可以增加获取的拓扑信息量。接着，本文将改进后的方法应用于拓扑测量实验中。

At present , the multicast protocol manage the group in a slack way , this can cause serious security problem , so security IGMP is a important aspect of multicast security .

由于目前组播运行机制中使用了松散的组管理方式，这导致了一些严重的安全问题，因此安全的IGMP是组播安全中的重要组成部分。

Additionally , we polish some technological gist which includes the planning of industry type , topology design , weighting design , node priority and multicast based on IGMP Snooping .

本文还对项目中的一些技术要点进行总结，包括业务类型的规划、拓扑的设计、节点优先的权重设计以及用IGMPSnooping来实现组播等。

If you stick a packet sniffer on the network , you will notice that each traffic manager has started to announce its health using IGMP / Multicast heartbeat messages .

如果您在网络上使用数据包嗅探器，那么您会注意到，各流量管理器均已开始使用IGMP/多播心跳消息来公布其健康状况。

IGMP Snooping protocol monitors IGMP news in network , acquires multicast group message of ports using IGMP message detected , and sets up a VLAN for each group .

IGMPSnooping协议监视网络上的IGMP消息，利用侦听到的IGMP信息取得端口的组播组信息，为每一个组创建一个VLAN。

To solve the problem that using multicast to transfer file crossovers network segments needs gateway to open IGMP protocol , it is recommended to transfer file crossovers network segments with TCP protocol .

针对利用组播跨网段传输文件需要网关开设IGMP协议的不足，提出了利用TCP协议跨网段传输文件的方法。

It is proved by experiments that protocols such as IGMP Snooping , IGMP Proxy , and distributed IGMP Proxy are able to support IPTV multicasting effectively .

实验证明，该模型上实现的IGMP侦听，IGMP代理，分布式IGMP代理均能够有效地支持IPTV组播业务。